O'Reilly Network articles about this topic:

Java Plays Prominent Role at WWDC 2001
(Mac DevCenter)
Steve Jobs may want Mac OS X to be the best platform for running Java -- but Steve Naroff, Apple's senior director of Java technology, adds the goal of making Mac OS X the best desktop for developing Java too.

Cocoa Vs. Carbon?
(Mac DevCenter)
When looking at Mac OS X frameworks to access the functionality of the system, many developers are debating Cocoa vs. Carbon. But they're not really competitors.